Maintenance
Page 26 of 72 Pages
9023927 - 2nd edition - May 2007
Replacing the pyrolysis oven
●
Disable the supply voltage.
●
Remove the cover of the Polytron 7500. To do this
1
gently pull apart the cover on both sides and
2
lift upwards.
Only use a pyrolysis oven, which is suitable for use with the Polytron 7500 with
the defined gas type, see “Order List” on page 64.
●
Disconnect the three electrical connections of the pyrolysis oven on the printed
circuit board.
●
Loosen the two screws for fixing on the rear side – do not unscrew completely.
●
Remove the pyrolysis oven upwards from the holder.
●
Remove the hoses to the pyrolysis oven and connect to the new pyrolysis oven at
the same position.
●
Insert the new pyrolysis oven from above into the holder and tighten the two
screws.
●
Reconnect the three electrical connections of the pyrolysis oven.
●
Refit the cover of the Polytron 7500.
●
Switch on power supply.
●
Wait until the sensor has fully warmed up.
— The Polytron 7500 is ready for use again.
Attention!
When the unit is opened
,
there is the danger of scalding yourself on hot
parts of the Polytron 7500.
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